Home / 10,431.43-15,650.48-3,036.33

Finding the Fourth Proportional to 10,431.43, 15,650.48 and 3,036.33

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Solution

The fourth proportional to 10,431.43, 15,650.48 and 3,036.33 is: 4,555.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,431.43 : 15,650.48 = 3,036.33 : x
  2. Step 2: Convert to fraction form
    10,431.43/15,650.48 = 3,036.33/x
  3. Step 3: Cross multiply
    10,431.43x = 15,650.48 × 3,036.33
  4. Step 4: Simplify right side
    10,431.43x = 47,520,021.94
  5. Step 5: Solve for x
    x = 47,520,021.94/10,431.43
  6. Step 6: Final answer
    x = 4,555.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.